static void parse_bootloader_result(libxl_ctx *ctx,
libxl_domain_build_info *info,
const char *o)
{
while (*o != '\0') {
if (strncmp("kernel ", o, strlen("kernel ")) == 0) {
free(info->kernel.path);
info->kernel.path = strdup(o + strlen("kernel "));
libxl__file_reference_map(&info->kernel);
unlink(info->kernel.path);
} else if (strncmp("ramdisk ", o, strlen("ramdisk ")) == 0) {
free(info->u.pv.ramdisk.path);
info->u.pv.ramdisk.path = strdup(o + strlen("ramdisk "));
libxl__file_reference_map(&info->u.pv.ramdisk);
unlink(info->u.pv.ramdisk.path);
} else if (strncmp("args ", o, strlen("args ")) == 0) {
free(info->u.pv.cmdline);
info->u.pv.cmdline = strdup(o + strlen("args "));
}
o = o + strlen(o) + 1;
}
}
static int parse_bootloader_result(libxl__egc *egc,
libxl__bootloader_state *bl)
{
STATE_AO_GC(bl->ao);
char buf[PATH_MAX*2];
FILE *f = 0;
int rc = ERROR_FAIL;
f = fopen(bl->outputpath, "r");
if (!f) {
LOGE(ERROR,"open bootloader output file %s", bl->outputpath);
goto out;
}
for (;;) {
/* Read a nul-terminated "line" and put the result in
* buf, and its length (not including the nul) in l */
int l = 0, c;
while ((c = getc(f)) != EOF && c != '\0') {
if (l < sizeof(buf)-1)
buf[l] = c;
l++;
}
if (c == EOF) {
if (ferror(f)) {
LOGE(ERROR,"read bootloader output file %s", bl->outputpath);
goto out;
}
if (!l)
break;
}
if (l >= sizeof(buf)) {
LOG(WARN,"bootloader output contained"
" overly long item `%.150s...'", buf);
continue;
}
buf[l] = 0;
const char *rhs;
#define COMMAND(s) ((rhs = bootloader_result_command(gc, buf, s, sizeof(s)-1)))
if (COMMAND("kernel")) {
bl->kernel->path = libxl__strdup(gc, rhs);
libxl__file_reference_map(bl->kernel);
unlink(bl->kernel->path);
} else if (COMMAND("ramdisk")) {
bl->ramdisk->path = libxl__strdup(gc, rhs);
libxl__file_reference_map(bl->ramdisk);
unlink(bl->ramdisk->path);
} else if (COMMAND("args")) {
bl->cmdline = libxl__strdup(gc, rhs);
} else if (l) {
LOG(WARN, "unexpected output from bootloader: `%s'", buf);
}
}
rc = 0;
out:
if (f) fclose(f);
return rc;
}